Study on the Rheological Constants Estimation Method of Cement Paste by Flow Test

Higashifunamichi, Yusuke; Yamada, Yoshitomo

doi:10.3130/aijs.86.860

Cited by 3 publications

(1 citation statement)

References 8 publications

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“…Segregation Section. According to the model of the previous studies proposed [33][34][35][36][37], segregation of material occurred because the pressure force from the difference of fresh concrete caused the mortar flows from a highpressure area to low pressure area is used to simulate in this paper as shown as Figure 3.…”

Section: Poisson Equationmentioning

confidence: 99%

Experimental and Numerical Studies on Flowing Properties of Grouting Mortar Based on the Modified MPS Method

et al. 2022

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Grouting mortar has widespread application in engineering because of the advantages of good durability, low cost, and environmental friendliness. To study the flowing properties of grouting mortar, laboratory minislump tests taking different rheological parameters of grouting mortar into consideration were conducted to obtain the flow time and flow pattern of grouting mortar. A modified MPS method (moving-particle semi-implicit method) introduced two sections of Bingham rheological, and segregation was proposed. The effects of the plastic viscosity on the flow state of mortar were studied, and the relationship between the plastic viscosity and the flowing time was established. The numerical results show that the modified MPS method can be used to predict the flow time and flow pattern of mortar in the template, and plastic viscosity has a great influence on the flow time of concrete, and with the increase of plastic viscosity, the time to flow to the specified area also increases. Moreover, the analysis of the rheological parameters can provide the basis for the design of mix ratio in the construction practice.

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Section: Poisson Equationmentioning

confidence: 99%

Experimental and Numerical Studies on Flowing Properties of Grouting Mortar Based on the Modified MPS Method

et al. 2022

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Rheological Constants Measurement of High-Fluidity Concrete That Requires Compaction and Verification of Its Effectiveness by MPS Analysis

Hirano

Yamada

Nishi

et al. 2022

Transactions of AIJ

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Study on the Rheological Constants Estimation Method of Cement Paste and Mortar by Flow Test

Higashifunamichi

Yamada

Hirano

2023

Transactions of AIJ

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In this study, we assumed that the cement paste and mortar are continuums and proposed a rheological constants estimation equation that can be applied to both cement paste and mortar. After that, the effectiveness of the proposed equations was verified using MPS analysis, and the effectiveness was confirmed in cement paste and low-fluidity mortar. However, for high-fluidity mortar, the actual measurement results could not be reproduced well by MPS analysis. In the case of high-fluidity mortar, the actual measurement results could be reproduced well in the MPS analysis considering thixotropy .

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Study on the Rheological Constants Estimation Method of Cement Paste by Flow Test

Cited by 3 publications

References 8 publications

Experimental and Numerical Studies on Flowing Properties of Grouting Mortar Based on the Modified MPS Method

Experimental and Numerical Studies on Flowing Properties of Grouting Mortar Based on the Modified MPS Method

Rheological Constants Measurement of High-Fluidity Concrete That Requires Compaction and Verification of Its Effectiveness by MPS Analysis

Study on the Rheological Constants Estimation Method of Cement Paste and Mortar by Flow Test

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